2.3% is the change from 956 to 978
Calculation steps:
[( 978 - 956 ) ÷ 956] x 100 = 2.3%
Formula
Percentage change = [(978 - 956) / 956] x 100
Subtract the new number by the original number
978 - 956 = 22
22 ÷ 956 = 0.02301255230125523
0.02301255230125523 x 100 = 2.3%